Obama considers nuclear power and offshore drilling, backs off from cap and trade.
A simple approach shows that cells might be more flexible than once thought.
Newly engineered E. coli streamline the conversion of cellulose into fuel.
Apple reveals its much-awaited "magical and revolutionary" new product.
A mysterious substance in blood rejuvenates blood-forming stem cells.
Antireflective film helps the cells maintain their yield.
New light-activated catalyst keeps on working even after the lights go out.
A quantum switch could add pressure sensing to mobile screens.
Scientists find a better way to make more of the cells that make blood vessels.